We get these error messages : Windows Error #127: [Screen #0] ChooseMatchingPixelFormat() - wglChoosePixelFormatARB extension not found, trying GDI. Reason: The specified procedure could not be found .

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)> wrote:

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Hi,

We have a crash in OSG in the following setup :
- Microsoft Surface Pro 4 with Windows 10.
- Application is displayed on a deported screen using a Display link adapter (Main screen is off).

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We get these error messages : Windows Error #127: [Screen #0] ChooseMatchingPixelFormat() - wglChoosePixelFormatARB extension not found, trying GDI. Reason: The specified procedure could not be found .

Error: OpenGL version test failed, requires valid graphics context.

That looks very much like a driver problem. The application failed to create a proper OpenGL context that OSG needs, so the application crashes. The DisplayLink adapters are an external GPU and it may not support OpenGL properly.

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